1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mailbox/mtk
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Mediatek ADSP mailbox
8
9 maintainers:
10 - Allen-KH Cheng <Allen-KH.Cheng@mediatek.com
11
12 description: |
13 The MTK ADSP mailbox Inter-Processor Communi
14 to communicate with ADSP by passing messages
15 The MTK ADSP mailbox IPC also provides the a
16 signal the other processor using interrupts.
17
18 properties:
19 compatible:
20 oneOf:
21 - enum:
22 - mediatek,mt8186-adsp-mbox
23 - mediatek,mt8195-adsp-mbox
24 - items:
25 - enum:
26 - mediatek,mt8188-adsp-mbox
27 - const: mediatek,mt8186-adsp-mbox
28
29
30 "#mbox-cells":
31 const: 0
32
33 reg:
34 maxItems: 1
35
36 interrupts:
37 maxItems: 1
38
39 required:
40 - compatible
41 - "#mbox-cells"
42 - reg
43 - interrupts
44
45 additionalProperties: false
46
47 examples:
48 - |
49 #include <dt-bindings/interrupt-controller
50 #include <dt-bindings/interrupt-controller
51
52 adsp_mailbox0:mailbox@10816000 {
53 compatible = "mediatek,mt8195-adsp-mbo
54 #mbox-cells = <0>;
55 reg = <0x10816000 0x1000>;
56 interrupts = <GIC_SPI 702 IRQ_TYPE_LEV
57 };
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